CN100514853C - 电影院内的音量和压缩控制系统 - Google Patents

电影院内的音量和压缩控制系统 Download PDF

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Publication number
CN100514853C
CN100514853C CNB2004800100771A CN200480010077A CN100514853C CN 100514853 C CN100514853 C CN 100514853C CN B2004800100771 A CNB2004800100771 A CN B2004800100771A CN 200480010077 A CN200480010077 A CN 200480010077A CN 100514853 C CN100514853 C CN 100514853C
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CN
China
Prior art keywords
setting
channels
compression
loudness
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CNB2004800100771A
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English (en)
Chinese (zh)
Other versions
CN1774861A (zh
Inventor
肯尼斯·詹姆斯·冈德里
约翰·艾尔斯
罗格尔·华莱斯·德雷斯勒
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Publication of CN1774861A publication Critical patent/CN1774861A/zh
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
    • H03G9/10—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Control Of Amplification And Gain Control (AREA)
CNB2004800100771A 2003-04-24 2004-04-22 电影院内的音量和压缩控制系统 Expired - Fee Related CN100514853C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/423,487 US7551745B2 (en) 2003-04-24 2003-04-24 Volume and compression control in movie theaters
US10/423,487 2003-04-24

Publications (2)

Publication Number Publication Date
CN1774861A CN1774861A (zh) 2006-05-17
CN100514853C true CN100514853C (zh) 2009-07-15

Family

ID=33299133

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004800100771A Expired - Fee Related CN100514853C (zh) 2003-04-24 2004-04-22 电影院内的音量和压缩控制系统

Country Status (8)

Country Link
US (1) US7551745B2 (enExample)
EP (1) EP1616386B1 (enExample)
JP (1) JP2006524968A (enExample)
CN (1) CN100514853C (enExample)
AT (1) ATE518302T1 (enExample)
AU (1) AU2004234745B2 (enExample)
CA (1) CA2520118C (enExample)
WO (1) WO2004098053A2 (enExample)

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Also Published As

Publication number Publication date
US20040213420A1 (en) 2004-10-28
WO2004098053A2 (en) 2004-11-11
AU2004234745B2 (en) 2008-10-30
CA2520118A1 (en) 2004-11-11
CN1774861A (zh) 2006-05-17
ATE518302T1 (de) 2011-08-15
EP1616386B1 (en) 2011-07-27
AU2004234745A1 (en) 2004-11-11
US7551745B2 (en) 2009-06-23
EP1616386A2 (en) 2006-01-18
WO2004098053A3 (en) 2005-02-10
CA2520118C (en) 2013-09-24
JP2006524968A (ja) 2006-11-02

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Granted publication date: 20090715

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CF01 Termination of patent right due to non-payment of annual fee